Hi nohighheels120,
Thank you for giving us the chance to assist you with your Apple Watch. We're glad to hear that the features of the Apple Watch helped you during an accident. You can count on us to do our best to assist you or get you pointed in the right direction.
We understand that you are getting a "Call Failed" message when making a phone call on your Apple Watch.
We’d like to gather additional details that may help us be in a better position to assist you.
Are you using an Apple Watch with cellular capability? If yes, is the cellular plan of your Apple Watch still active?
If you are not using an Apple Watch with cellular capability, are you making the phone call while the companion iPhone is nearby?
Are you experiencing a similar behavior on the companion iPhone?
Also, have you had the chance to check for a carrier settings update on the companion iPhone? Go to Settings > General > About. If an update is available, you'll see a prompt to select OK or Update.
We’d like to make sure that you get the most out of your device, please keep us posted.
Take care!
